Pennsylvania was the site of the deadliest nuclear accident in U.S. history. In 1979, a partial meltdown occurred at the Three Mile Island nuclear power plant in Harrisburg, Pennsylvania.
Clinton County, Pennsylvania, located in the central part of the state, has a rich and diverse history that dates back to before European colonization. The area was originally inhabited by various Native American tribes, including the Susquehannocks and the Iroquois. Then, in the 18th century, European settlers began to arrive and establish settlements in the region.

The county was officially formed in 1839 and named after the seventh Governor of New York, DeWitt Clinton. The county's early economy was centered around agriculture and timber, with farms and sawmills playing a vital role in the development of the region. The county also benefited from the rich natural resources, including coal and iron ore, which contributed to its economic growth.

During the Civil War, Clinton County played a significant role in supporting the Union cause. Many locals volunteered to serve in various regiments, and the county was known for its strong support of the Union Army. After the war, the economy diversified with the development of industries like logging, paper mills, and manufacturing.

Today, Clinton County is known for its beautiful natural landscapes, with the Susquehanna River running through the county and the Bald Eagle State Forest providing ample opportunities for outdoor recreation. The county continues to thrive with a mix of industries and a focus on promoting tourism and preserving its historical heritage. Clinton County's rich history and strong community spirit have shaped it into a vibrant and welcoming place to live and visit.

This timeline provides a glimpse into the major events and milestones that have shaped the history of Clinton County, Pennsylvania.

  • 1839 - Clinton County was established on June 21.
  • 1840 - The first county commissioners were elected.
  • 1842 - Lock Haven became the county seat.
  • 1859 - The Bald Eagle and Spring Creek Navigation Company constructed a dam and locks on the West Branch Susquehanna River.
  • 1867 - Lock Haven was incorporated as a city.
  • 1883 - The first bridge over the West Branch Susquehanna River was completed.
  • 1890 - Clinton County experienced its first oil boom.
  • 1938 - The West Branch Susquehanna River flood caused significant damage in the county.
  • 1954 - Renovo, a borough in Clinton County, celebrates its 100th anniversary.
  • 1970 - The Clinton County Historical Society was established.
  • 1997 - Clinton County celebrated its 150th anniversary.